Betwixt and Between is the bridge between the realm of light and the realm of darkness, with the World that Never Was in between.

To what language?

Betwixt is commonly used in Elizabethan English to mean between. The word betwixt is still in use today, although it is not commonly used.

amidst, among, mid, betwixt

The word "betwixt" is an archaic term that means "between." It is often used in a poetic or old-fashioned context to describe something that is located or happening between two things or in the middle of something.